Finding the Fourth Proportional to 32,346,970.40, 48,387,745.20 and 29,161,920.80
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Solution
The fourth proportional to 32,346,970.40, 48,387,745.20 and 29,161,920.80 is: 43,623,238.15
Step by Step Solution
- Step 1: Write the proportion equation
32,346,970.40 : 48,387,745.20 = 29,161,920.80 : x - Step 2: Convert to fraction form
32,346,970.40/48,387,745.20 = 29,161,920.80/x - Step 3: Cross multiply
32,346,970.40x = 48,387,745.20 × 29,161,920.80 - Step 4: Simplify right side
32,346,970.40x = 1,411,079,593,212,980.25 - Step 5: Solve for x
x = 1,411,079,593,212,980.25/32,346,970.40 - Step 6: Final answer
x = 43,623,238.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.